package com.issac.service;

import com.issac.common.R;
import org.springframework.stereotype.Service;

import java.io.IOException;

/**
 * @ClassName CaptchaService
 * @Author zy
 * @Date 2022/6/22 9:42
 * @Description CaptchaService
 * @Version 1.0
 */
public interface CaptchaService {

    R getCaptcha() throws IOException;
}
